package lambda;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;

public class LambdaDemo1 {
    public static void main(String[] args) {
        //
        List<String> list=new ArrayList<>();

        //匿名内部类
        Collections.sort(list, new Comparator<String>() {
            @Override
            public int compare(String o1, String o2) {
                return o1.length()-o2.length();
            }
        });

        //Lambda表达式
        Collections.sort(list,(o1,o2)->{
            return o1.length()-o2.length();
        });
        //省略括号写法
        Collections.sort(list,(o1,o2)->o1.length()-o2.length());
    }
}
